On Sun, Sep 8, 2019 at 4:56 PM Maciej S. Szmigiero
wrote:
>
> On 08.09.2019 15:29, Vitaly Wool wrote:
> > z3fold_page_reclaim()'s retry mechanism is broken: on a second
> > iteration it will have zhdr from the first one so that zhdr
> > is no longer in line with struct page. That leads to crashes
On 08.09.2019 15:29, Vitaly Wool wrote:
> z3fold_page_reclaim()'s retry mechanism is broken: on a second
> iteration it will have zhdr from the first one so that zhdr
> is no longer in line with struct page. That leads to crashes when
> the system is stressed.
>
> Fix that by moving zhdr
z3fold_page_reclaim()'s retry mechanism is broken: on a second
iteration it will have zhdr from the first one so that zhdr
is no longer in line with struct page. That leads to crashes when
the system is stressed.
Fix that by moving zhdr assignment up.
While at it, protect against using already
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